Tag: "prompting" at biology news

University of Washington partners with Advanced Tissue Sciences and others in $10 million grant to 'grow' human heart tissue

...ality." The team will also investigate methods of prompting cells to develop in desired ways. For example, cells in a natural heart are lined up uniformly so they can beat together and pump blood. It is currently possible to grow cardiac cells in a laboratory, but they develop randomly and beat individually...

UCSF researchers identify regulator of critical brain messenger, hinting at therapy

...utamate molecules are released from a single cell, prompting a response in a neighboring cell, which prompts a ...left, binding to receptors on the target cells and prompting a response in the target cell. While some neurotransmitters, such as GABA, transmit inhibitory sign...

Small molecules used to block proteins in HIV

...imer." The dimer then becomes an essential enzyme, prompting numerous chemical reactions that allow the virus to replicate. "This particular enzyme is only active when those two identical pieces join together, so if we can stop the proteins from coming together, we may be able to put the brakes on the replicat...

UCSF-Harvard team publishes major HIV therapy study over objections of sponsor; compound shows no effect on slowing disease progression

...he hope that it would act as an immune stimulator, prompting the immune system to ramp up its response against HIV proteins, and thus reduce the rate of disease progression. The intention was for the compound to supplement standard anti-retroviral therapies. These approved medications, including classes such...

Report on dietary supplements containing ephedra makes urgent call for research to develop dose guidelines, safety warnings

...ose severe health risks and even kill some people, prompting an urgent need to pinpoint those at greatest risk and establish safe daily doses for the supplements. Scientists at the University of California, San Francisco who conducted the study also say ephedra-containing products should be more uniformly and ...

Campaign to protect critically endangered beluga sturgeon

...l caviar market has placed a premium on sturgeon, prompting overfishing and illegal poaching around the world. Moreover, sturgeon are a slow-growing species, so it is easy to quickly overfish a population and it can take decades to recover. Caviar Emptor proposes a number of actions that the U.S. governm...

Arterial wound repair in DDR1 knockout mice

...their ability to adhere to or migrate on collagen, prompting Hou and colleagues to examine the responses of DDR1/ mice to arterial injury. The authors find that, following angioplasty in the carotid artery, the mutant animals form a dramatically smaller neointima than do wild-type controls, raising the hope th...

Researchers study muscle cell damage that occurs when astronauts return from space

...cell-saving patch or destroy the cell, possibly by prompting the cell to contract to death. "In a sea urchin egg, you can rip off 1,000 square microns of surface, the equivalent of one-third of the surface of the egg and, within seconds, no more calcium is coming in," Dr. McNeil said. "There is complete rest...

University of Pittsburgh researchers identify subtype of cell that promotes organ transplant acceptance

... tissues, have been thought only to be involved in prompting the rejection process, reported Peta J. O'Connell, Ph.D., at Transplant 2001, the joint meeting of the American Society of Transplantation (AST) and the American Society of Transplant Surgeons. Dendritic cells are known for their ability to identify ...

Wildlife officials to consider ban on caviar exports from major Caspian Sea nations

...al caviar market has placed a premium on sturgeon, prompting overfishing and illegal trade amidst other major threats to the species, which include habitat loss and pollution. Demand for the delicacy is highest in the European Union, Switzerland, the United States and Japan, which together account for 95 per...

Biting may drive division of labor among social wasp workers

...cies of social wasp that bites its fellow workers, prompting them to leave the nest and forage for the colony. Sean O'Donnell, a UW assistant professor of psychology, also found that the behavior of the wasps, Polybia occidentalis, was not related to competition over reproduction or to body size. This sugg...

Integrated pest management promises crop yields with fewer chemicals, but will it prove effective in the long run

... one of the key agricultural issues of the decade, prompting the worlds largest group of plant health scientists to hold a special symposium at the end of August to discuss the economics of what is called Integrated Pest Management, or IPM. At one time common practice held that growers applied chemicals to the...

Israeli scientists block the progression of Type I diabetes

...ructive process. The protein acts like an antigen, prompting the immune cells to attack. Further investigation revealed that injecting sick mice with p277 - a small peptide fragment of the HSP60 protein - shut down the immune response, preventing the progression of Type I diabetes. The peptide essentially acts...

Homosexual behavior discovered among wild orangutans

...e of rampant illegal logging of orangutan habitat, prompting some scientists to predict the species demise in the wild within ten years.Its disheartening that were only now beginning to learn of the full range of behavior among these highly intelligent animals, yet they are vanishing faster than any time in h...

Next-generation biomaterials to help body heal itself

... of biomaterials will help the body heal itself by prompting cells to repair their own tissues, scientists report today. Writing in a review in the journal Science, Professors Larry Hench and Julia Polak of Imperial College, London, highlight the potential of 'third generation' biomaterials that activate speci...

Brookhaven Spotlights: News from the National Synchrotron Light Source

...ed calmodulin which is abundant in the host cell prompting EF to produce chemicals that inhibit the immune response. Although the researchers do not yet have a complete understanding of how EF allows anthrax to infect host cells, this work may ultimately lead to new antibiotics. Reducing Sulfur Dioxide Emiss...

Cranberry may offer protection against antibiotic-resistant bacteria that cause UTIs

...to the most common antibiotics used to treat UTIs, prompting physicians and researchers to look for alternatives." The JAMA findings indicate that cranberry's well-documented anti-adhesion mechanism is effective against both the antibiotic-resistant and sensitive E. coli strains tested. Specifically, the resea...

U.S. takes first step toward protecting endangered beluga sturgeon

...al caviar market has placed a premium on sturgeon, prompting overfishing and illegal trade. Experts say the worldwide caviar market is estimated at $100 million, but the illegal traffic of caviar from the Caspian Sea is about 10 times the legal trade. Other major threats to the species include habitat loss a...

Interpreting a climate record from 10,000-year-old migrating waters

...ponse to the pressure of increasing human impacts, prompting this new publication for a diverse range of scientists and engineers. The mission of the Vadose Zone Journal is to disseminate information about the physical, chemical and biological processes operating in this zone and to facilitate science-based de...

Allergic to your DNA?

...it an immune response in the fruit fly Drosophila, prompting researchers to question whether an analogous autoimmune response could be triggered in humans. The report is published in the October 15th issue of Genes & Development. Apoptosis, or programmed cell death, is a critical biological process in which s...

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(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
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